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Z.ai · Chat and coding

GLM: next release

Next GLM release: flagship and Flash variants, coding controls and API availability.

Watching the next releaseSources checked:

API access is not confirmed here

This model is not listed in the catalog retrieved for this page. A developer announcement or provider preview does not confirm access through API Stock. An integration date and request price have not been published here.

What the sources establish

Z.ai's reviewed release notes list GLM-5.3 and GLM-5.3-Flash as separate releases. A Coding Plan product update is distinct from a model launch and from a model's availability through this API.

Prepare a useful comparison

Save a browser-interface bug with a screenshot and a backend change with tests. Judge visual diagnosis and code correctness independently when evaluating a new GLM tier.

What to verify before switching

  • Flagship versus Flash and exact model ID.
  • Vision, tools and reasoning parameters on the route.
  • API billing separate from a Coding Plan subscription.

Sources

API access questions

Can I call this model through this API?

Use only a model ID listed in the live catalog. This page's URL is an editorial identifier and is not an API model ID.

When will it be available here?

An integration date has not been announced. Check this page and the product updates; a vendor release date does not set our availability date.

Are these verified samples from the new model?

This page contains an evaluation brief, not generated samples or measured quality claims. Results and supported settings belong on the model page after access is verified.